Yes I agree about having other ways to acquire the blueprints for making weapons and armor. What I wanted to explain was that many MMO's (regardless of the way you acquire the endgame equipment, it's already made). This break the importance of the professions, because you would have to drop the entire set, instead of doing it yourself like in Dauntless, Monster Hunter... That would make the market busy constantly.
I mention games, because I've been playing MMO since 2004 starting with Ragnarok Online. I played many games Priston Tales 1 and 2, Pirate Tales, WyD, Grand Fantasia, WoW, Crowfall, Rising Force, SilkHoad, Atlantica, Immortal, Requiem, TESO, FF14, GW2 and many others... xD